8.1 Adding and Subtracting Polynomials Objective: SWBAT add and subtract polynomials and classify polynomials by degree and terms.

Mini Quiz 9 For the following numbers: 14, 20, 18, 10, 18 Find the mean Find the median Find the mode

CAHSEE Review Part Whole Probability =

CAHSEE Review

Polynomials: -3x 2x2 – 8x4 -9x3 – 4x – 7x2 + 8 6 5x – 4x2 + 1

1. Raise your paper, if you have a linear expression.

2. Add polynomials 1 and 5 -4x2 + 2x + 1

3. Raise your paper, if you have a trinomial. 5x – 4x2 + 1

4. Add polynomials 2 and 3 -8x4 – 9x3 – 5x2 – 4x + 8

5. Raise your paper, if you have a cubic expression. -9x3 – 4x – 7x2 + 8

6. Subtract polynomials 2 and 5 -8x4 + 6x2 – 5x – 1

7. Raise your paper, if you have a monomial. -3x 6

8. Subtract polynomials 3 and 4 -9x3 – 7x2 – 4x + 2

9. Raise your paper, if you have a quadratic expression 5x – 4x2 + 1

10. Add polynomials 1 and 4 -3x + 6

11. Raise your paper, if you have a constant expression. 6

12. Subtract polynomials 3 and 3

13. Raise your paper, if you have a quartic expression 2x2 – 8x4

14. Add polynomials 1, 2, and 3 -8x4 – 9x3 – 5x2 – 7x + 8

15. Raise your paper, if you have a binomial. 2x2 – 8x4

16. Add polynomials 5 and 3, then subtract 4 -9x3 – 11x2 + x + 3

17. Raise your paper, if you have a polynomial. -3x 2x2 – 8x4 -9x3 – 4x – 7x2 + 8 6 5x – 4x2 + 1

18. Subtract polynomials 2 and 4, and add 3 -8x4 – 9x3 – 5x2 – 4x + 2

19. Add polynomials 4 and 4, then subtract 5. 4x2 – 5x + 11

20. Subtract polynomials 5 and 2, then subtract polynomial 1 8x4 - 6x2 + 8x + 1

21. Add polynomials 2, 3, 4 and 5 -8x4 – 9x3 – 9x2 – 2x + 9

Can anybody tell me what kind of polynomial they have? Example: 3x2 – 4x3 This is a cubic trinomial!

Wrap Up Classifying Polynomials By Degree Constant (0) Linear (1) Quadratic (2) Cubic (3) Quartic (4) Adding Polynomials (combine like terms) Subtracting Polynomials HW: P. 373 #2-40 even Write DLUQ for notes - Number of Terms Monomial (1) Binomial (2) Trinomial (3) Polynomial (4+)